New Spark Test Method on Rowad Geomembrane Geoline Posted on February 25, 2013 Posted in News Tagged with Geomembrane CQA, geomembrane test method, spark testing Hey guys I found this on Youtube and thought I would share it as I’ve heard this testing method is becoming more and more popular. Share this:Tweet Email a link to a friend (Opens in new window) Email Print (Opens in new window) Print